Metabo has introduced new grinders, sanders and polishers designed for concrete, masonry and metalworking jobsites.

What Does an Angle Grinder Do? The main job of an angle grinder is to grind metal. Many grinders include one type of grinding wheel, a grinding stone, when you buy them, but there are several types of ...

The ECG process requires a DC power supply, a conductive grinding wheel (typically composed of abrasive, copper and a resin binder), electrolyte fluid (commonly sodium nitrate) and a workpiece made of ...

Scientific American is the authority on science and technology for a general audience, with coverage that explains how research changes our understanding of the world and shapes our lives. First ...